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Observational astronomy – practice of observing celestial objects by using telescopes and other astronomical apparatus. It is concerned with recording data. It is concerned with recording data. The subdisciplines of observational astronomy are generally made by the specifications of the detectors, specifically the ranges of wavelengths observed:
Theoretical astronomy is the use of analytical and computational models based on principles from physics and chemistry to describe and explain astronomical objects and astronomical phenomena. Theorists in astronomy endeavor to create theoretical models and from the results predict observational consequences of those models.
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.
The Big Bang theory, which explains the Evolution of the Universe from a hot and dense state, is widely accepted by physicists.. In astronomy, cosmogony is the study of the origin of particular astrophysical objects or systems, and is most commonly used in reference to the origin of the universe, the Solar System, or the Earth–Moon system.
Celestial mechanics is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics (classical mechanics) to astronomical objects, such as stars and planets, to produce ephemeris data.
The holiday season in December is often labeled as "the most wonderful time of the year," but for outdoor enthusiasts and folks who love to soak in the sun, that title belongs to the summer months.
Astronomical filter: Used to select specific colors (or light frequencies) for astrophotography. Filter wheel: One manner to easily insert filters into the optical train. Mostly used for photography. Focuser: Allows the user to adjust the focus by moving the eyepiece along the optical axis.
Astronomical fall starts on the autumnal equinox, between Sept. 2 Equinox comes from the Latin words aequi, which means equal, and nox, which means night. On the day of the equinox, the sun's rays ...